Adafruit AS7341 10-Channel Light / Color Sensor Breakout
AS7341 10-channel spectral color and light sensor breakout with I2C interface, STEMMA QT/Qwiic connectors, onboard level shifting, and interrupt/GPIO pins.
AS7341 10-channel spectral color and light sensor breakout with I2C interface, STEMMA QT/Qwiic connectors, onboard level shifting, and interrupt/GPIO pins.
Board power input, regulated down for the AS7341 sensor
Common ground for power and logic
I2C clock line with onboard pullup
I2C data line with onboard pullup
STEMMA QT/Qwiic I2C connector carrying power, ground, SDA and SCL
Interrupt output, can pull low when configured measurement conditions are met
AS7341 general-purpose I/O pin, usable for triggering measurements
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VIN | header pad | power | Board power input, regulated down for the AS7341 sensor | 3-5 VDC |
| GND | header pad | ground | Common ground for power and logic | |
| SCL | header pad / STEMMA QT connector | I2C | I2C clock line with onboard pullup | 3-5 V logic, level shifted |
| SDA | header pad / STEMMA QT connector | I2C | I2C data line with onboard pullup | 3-5 V logic, level shifted |
| STEMMA QT | two JST-SH 4-pin connectors | connector | STEMMA QT/Qwiic I2C connector carrying power, ground, SDA and SCL | |
| INT | header pad | digital interrupt | Interrupt output, can pull low when configured measurement conditions are met | |
| GPIO | header pad | digital I/O | AS7341 general-purpose I/O pin, usable for triggering measurements |
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Adafruit describes the CdS photoresistor as a light sensor whose resistance falls as light increases, and its product page gives an examp…
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